Finding the Fourth Proportional to 26,940,136.70, 40,410,205.05 and 7,771,519.10
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Solution
The fourth proportional to 26,940,136.70, 40,410,205.05 and 7,771,519.10 is: 11,657,278.65
Step by Step Solution
- Step 1: Write the proportion equation
26,940,136.70 : 40,410,205.05 = 7,771,519.10 : x - Step 2: Convert to fraction form
26,940,136.70/40,410,205.05 = 7,771,519.10/x - Step 3: Cross multiply
26,940,136.70x = 40,410,205.05 × 7,771,519.10 - Step 4: Simplify right side
26,940,136.70x = 314,048,680,380,991.44 - Step 5: Solve for x
x = 314,048,680,380,991.44/26,940,136.70 - Step 6: Final answer
x = 11,657,278.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.